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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 391 |
| 3 | 19446 |
| 4 | 1020085 |
| 5 | 54792022 |
| 6 | 2987881000 |
| 7 | 164730750373 |
| 8 | 9157731030542 |
| 9 | 512408255461283 |
| 10 | 28820435495127238 |
| 11 | 1627922121827975600 |
| 12 | 92280373332999109832 |
| 13 | 5246771020310646443594 |
| 14 | 299086443047065736686909 |
[10,391,19446,1020085,54792022,2987881000, 164730750373,9157731030542,512408255461283, 28820435495127238,1627922121827975600, 92280373332999109832,5246771020310646443594, 299086443047065736686909] |